【简答题】某施工总承包单位承担一项建筑基坑工程的施工,基坑开挖深度12m,基坑南侧距坑边6m处有一栋6层住宅楼。基坑土质状况从地面向下依次为:杂填土0~2m,粉质土2~5m,砂质土5~10m,黏性土10~12m,砂质土12~18m。上层滞水水位在地表以下5m(渗透系数为0.5m/d),地表下18m以内无承压水。基坑支护设计采用灌注桩加锚杆。施工前,建设单位为节约投资,指示更改设计,除南侧外其余三面均采用土钉...
【单选题】某船在南半球遭遇热带气旋,测得真风向为 90 °,风力 10 级,可判定热带气旋中心的方位在 :
【简答题】The campaign is over. The celebrations have ended. And the work for US president-elect Barack Obama has begun. The 47-year-old politician rose to the highest post because of his stand against the war ...
【单选题】Barack Obama is mainly talking about ____.
B.
how he changed into a better person
C.
what it is like to grow up in America
【判断题】Barack Obama once said Education is what remains after one has forgotten everything one has learned in school.
【单选题】( )的作用是保证气门在往复运动时与气门座正确密封。
【简答题】班级制度中,“法治”的原则在内容上强调( )
【单选题】What does Barack Obama say about the relationship between China and the U.S.?
A.
It isn’t good these days.
B.
It will be taken to a new level.
C.
It is more important to China than to the United States.
D.
It is vital for establishing a free trade area.